Brown says countries like China have adopted new tactics to acquire sensitive American technologies, such as buying into U.S. companies to get seats on their boards. He maintains the U.S. must update the tools it has to block those threats.

The tone of the U.S. Senate race between incumbent Democrat Sherrod Brown and Republican Congressman Jim Renacci may have been set by the very first ad, which ends its short run on broadcast and cable TV around the state today.

Brown’s ad refers to Renacci’s registration as a lobbyist for a firm he worked for as an accountant in 2008. He filed paperwork two months ago saying that registration was deactivated in 2009. Brown doesn’t characterize the ad as negative.

While President Trump and the Russia investigation continue to dominate headlines, net neutrality, NAFTA, health care and infrastructure are among the top topics on Capitol Hill this week. We spoke with Ohio U.S. Sen. Sherrod Brown about what’s moving and what’s stalled.